```html
<!DOCTYPE html>
<html lang="zh-CN">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>项目管理优化工具</title>
    <link href="https://cdn.staticfile.org/font-awesome/6.4.0/css/all.min.css" rel="stylesheet">
    <link href="https://cdn.staticfile.org/tailwindcss/2.2.19/tailwind.min.css" rel="stylesheet">
    <link href="https://fonts.googleapis.com/css2?family=Noto+Serif+SC:wght@400;500;600;700&family=Noto+Sans+SC:wght@300;400;500;700&display=swap" rel="stylesheet">
    <script src="https://cdn.jsdelivr.net/npm/mermaid@latest/dist/mermaid.min.js"></script>
    <style>
        body {
            font-family: 'Noto Sans SC', Tahoma, Arial, Roboto, "Droid Sans", "Helvetica Neue", "Droid Sans Fallback", "Heiti SC", "Hiragino Sans GB", Simsun, sans-serif;
            background-color: #f8f9fa;
            color: #333;
        }
        .hero {
            background: linear-gradient(135deg, #6e8efb, #a777e3);
        }
        .card-hover {
            transition: all 0.3s ease;
        }
        .card-hover:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 20px rgba(0,0,0,0.1);
        }
        .drop-cap::first-letter {
            float: left;
            font-size: 3.5em;
            line-height: 0.8;
            margin: 0.1em 0.2em 0 0;
            color: #6e8efb;
            font-weight: bold;
        }
    </style>
</head>
<body>
    <!-- Hero Section -->
    <section class="hero text-white py-20 px-6 md:py-32">
        <div class="container mx-auto max-w-6xl">
            <div class="flex flex-col md:flex-row items-center">
                <div class="md:w-1/2 mb-10 md:mb-0">
                    <h1 class="text-4xl md:text-6xl font-bold mb-4 leading-tight">项目优化智能助手</h1>
                    <p class="text-xl mb-8 opacity-90">利用AI技术自动化生成PRD文档、SEO策略和改进清单，提升项目管理效率</p>
                    <button class="bg-white text-indigo-600 hover:bg-gray-100 px-8 py-3 rounded-full font-semibold transition duration-300 transform hover:scale-105">
                        立即体验 <i class="fas fa-arrow-right ml-2"></i>
                    </button>
                </div>
                <div class="md:w-1/2">
                    <div class="bg-white/20 backdrop-blur-sm p-6 rounded-xl">
                        <div class="mermaid">
                            graph TD
                            A[项目代码] --> B(生成PRD文档)
                            A --> C(生成SEO策略)
                            B --> D[PRD文档]
                            C --> E[SEO策略]
                            D --> F(生成改进清单)
                            E --> F
                            F --> G[Todo List]
                            G --> H{完成改进}
                            H -->|是| I[更新项目]
                            H -->|否| F
                        </div>
                    </div>
                </div>
            </div>
        </div>
    </section>

    <!-- Features Section -->
    <section class="py-16 px-6 bg-white">
        <div class="container mx-auto max-w-6xl">
            <h2 class="text-3xl font-bold text-center mb-12 text-gray-800">核心功能</h2>
            <div class="grid grid-cols-1 md:grid-cols-3 gap-8">
                <div class="card-hover bg-gray-50 p-8 rounded-xl shadow-sm">
                    <div class="text-indigo-500 mb-4 text-4xl"><i class="fas fa-file-alt"></i></div>
                    <h3 class="text-xl font-semibold mb-3 text-gray-800">PRD文档生成</h3>
                    <p class="text-gray-600">基于项目代码自动生成专业的产品需求文档，包含功能说明、用户流程和技术要求。</p>
                </div>
                <div class="card-hover bg-gray-50 p-8 rounded-xl shadow-sm">
                    <div class="text-indigo-500 mb-4 text-4xl"><i class="fas fa-search"></i></div>
                    <h3 class="text-xl font-semibold mb-3 text-gray-800">SEO策略制定</h3>
                    <p class="text-gray-600">分析项目内容生成搜索引擎优化策略，提升网站可见性和流量获取能力。</p>
                </div>
                <div class="card-hover bg-gray-50 p-8 rounded-xl shadow-sm">
                    <div class="text-indigo-500 mb-4 text-4xl"><i class="fas fa-tasks"></i></div>
                    <h3 class="text-xl font-semibold mb-3 text-gray-800">智能改进清单</h3>
                    <p class="text-gray-600">综合PRD和SEO建议自动生成可执行的优化任务列表，并持续更新进度。</p>
                </div>
            </div>
        </div>
    </section>

    <!-- Process Section -->
    <section class="py-16 px-6 bg-gray-50">
        <div class="container mx-auto max-w-6xl">
            <h2 class="text-3xl font-bold text-center mb-12 text-gray-800">工作流程</h2>
            <div class="relative">
                <!-- Timeline -->
                <div class="hidden md:block absolute left-1/2 h-full w-1 bg-gradient-to-b from-indigo-400 to-purple-500 transform -translate-x-1/2"></div>
                
                <!-- Timeline Items -->
                <div class="relative z-10">
                    <!-- Item 1 -->
                    <div class="flex flex-col md:flex-row items-center mb-16">
                        <div class="md:w-1/2 md:pr-16 mb-8 md:mb-0 text-right">
                            <h3 class="text-2xl font-semibold text-gray-800 mb-2">1. 代码分析</h3>
                            <p class="text-gray-600">系统自动扫描项目代码结构，提取关键组件、功能模块和业务逻辑。</p>
                        </div>
                        <div class="md:w-1/2 flex justify-center">
                            <div class="bg-white p-6 rounded-full shadow-md w-20 h-20 flex items-center justify-center text-indigo-500 text-2xl">
                                <i class="fas fa-code"></i>
                            </div>
                        </div>
                        <div class="md:w-1/2 md:pl-16 md:hidden">
                            <h3 class="text-2xl font-semibold text-gray-800 mb-2">1. 代码分析</h3>
                            <p class="text-gray-600">系统自动扫描项目代码结构，提取关键组件、功能模块和业务逻辑。</p>
                        </div>
                    </div>
                    
                    <!-- Item 2 -->
                    <div class="flex flex-col md:flex-row items-center mb-16">
                        <div class="md:w-1/2 md:pr-16 order-last">
                            <h3 class="text-2xl font-semibold text-gray-800 mb-2">2. 文档生成</h3>
                            <p class="text-gray-600">基于分析结果自动生成结构化的PRD文档和针对性的SEO优化策略。</p>
                        </div>
                        <div class="md:w-1/2 flex justify-center order-first md:order-none mb-8 md:mb-0">
                            <div class="bg-white p-6 rounded-full shadow-md w-20 h-20 flex items-center justify-center text-indigo-500 text-2xl">
                                <i class="fas fa-file-export"></i>
                            </div>
                        </div>
                    </div>
                    
                    <!-- Item 3 -->
                    <div class="flex flex-col md:flex-row items-center mb-16">
                        <div class="md:w-1/2 md:pr-16 mb-8 md:mb-0 text-right">
                            <h3 class="text-2xl font-semibold text-gray-800 mb-2">3. 改进清单</h3>
                            <p class="text-gray-600">综合评估生成可操作的优化任务列表，优先级排序并跟踪完成进度。</p>
                        </div>
                        <div class="md:w-1/2 flex justify-center">
                            <div class="bg-white p-6 rounded-full shadow-md w-20 h-20 flex items-center justify-center text-indigo-500 text-2xl">
                                <i class="fas fa-clipboard-check"></i>
                            </div>
                        </div>
                        <div class="md:w-1/2 md:pl-16 md:hidden">
                            <h3 class="text-2xl font-semibold text-gray-800 mb-2">3. 改进清单</h3>
                            <p class="text-gray-600">综合评估生成可操作的优化任务列表，优先级排序并跟踪完成进度。</p>
                        </div>
                    </div>
                    
                    <!-- Item 4 -->
                    <div class="flex flex-col md:flex-row items-center">
                        <div class="md:w-1/2 md:pr-16 order-last">
                            <h3 class="text-2xl font-semibold text-gray-800 mb-2">4. 智能迭代</h3>
                            <p class="text-gray-600">持续监控改进效果，自动更新任务列表，形成优化闭环。</p>
                        </div>
                        <div class="md:w-1/2 flex justify-center order-first md:order-none mb-8 md:mb-0">
                            <div class="bg-white p-6 rounded-full shadow-md w-20 h-20 flex items-center justify-center text-indigo-500 text-2xl">
                                <i class="fas fa-sync-alt"></i>
                            </div>
                        </div>
                    </div>
                </div>
            </div>
        </div>
    </section>

    <!-- Content Section -->
    <section class="py-16 px-6 bg-white">
        <div class="container mx-auto max-w-4xl">
            <h2 class="text-3xl font-bold text-center mb-12 text-gray-800">如何提升项目质量</h2>
            <div class="prose max-w-none">
                <p class="drop-cap text-lg leading-relaxed text-gray-700 mb-6">在当今快节奏的开发环境中，项目文档和优化策略往往被忽视，导致技术债务积累和产品表现不佳。我们的智能助手通过自动化分析生成专业文档和优化建议，帮助团队建立系统化的改进机制。</p>
                
                <div class="bg-gray-50 p-6 rounded-lg border-l-4 border-indigo-500 mb-8">
                    <h3 class="text-xl font-semibold text-gray-800 mb-3">关键优势</h3>
                    <ul class="list-disc pl-5 space-y-2 text-gray-700">
                        <li><span class="font-medium">节省时间:</span> 自动化文档生成可减少80%的手动编写时间</li>
                        <li><span class="font-medium">全面覆盖:</span> 系统分析确保没有关键功能被遗漏</li>
                        <li><span class="font-medium">持续优化:</span> 实时跟踪改进进度，形成闭环管理</li>
                        <li><span class="font-medium">团队协同:</span> 统一的标准文档促进跨部门协作</li>
                    </ul>
                </div>
                
                <div class="grid grid-cols-1 md:grid-cols-2 gap-8 mb-10">
                    <div class="bg-indigo-50 p-6 rounded-lg">
                        <h4 class="font-semibold text-indigo-700 mb-3 flex items-center">
                            <i class="fas fa-lightbulb mr-2"></i> PRD文档要点
                        </h4>
                        <ul class="text-gray-700 space-y-2">
                            <li>产品概述与目标</li>
                            <li>用户角色与场景</li>
                            <li>功能需求详细说明</li>
                            <li>非功能性需求</li>
                            <li>数据指标与成功标准</li>
                        </ul>
                    </div>
                    <div class="bg-purple-50 p-6 rounded-lg">
                        <h4 class="font-semibold text-purple-700 mb-3 flex items-center">
                            <i class="fas fa-chart-line mr-2"></i> SEO核心策略
                        </h4>
                        <ul class="text-gray-700 space-y-2">
                            <li>关键词分析与优化</li>
                            <li>内容结构与标记</li>
                            <li>页面加载性能</li>
                            <li>移动端适配</li>
                            <li>内部链接架构</li>
                        </ul>
                    </div>
                </div>
                
                <p class="text-lg leading-relaxed text-gray-700">通过将文档生成、SEO优化和任务管理流程自动化，团队可以更专注于创新和价值创造，而不是繁琐的文档工作。系统生成的改进清单提供了清晰的行动指南，确保每个优化点都能得到及时处理。</p>
            </div>
        </div>
    </section>

    <!-- CTA Section -->
    <section class="py-16 px-6 bg-gradient-to-r from-indigo-500 to-purple-600 text-white">
        <div class="container mx-auto max-w-4xl text-center">
            <h2 class="text-3xl font-bold mb-6">准备好提升您的项目了吗？</h2>
            <p class="text-xl mb-8 opacity-90 max-w-2xl mx-auto">让我们的智能助手帮助您自动化文档生成和项目优化，节省时间，提高质量。</p>
            <div class="flex flex-col sm:flex-row justify-center gap-4">
                <button class="bg-white text-indigo-600 hover:bg-gray-100 px-8 py-3 rounded-full font-semibold transition duration-300 transform hover:scale-105">
                    免费试用 <i class="fas fa-play-circle ml-2"></i>
                </button>
                <button class="border-2 border-white text-white hover:bg-white/10 px-8 py-3 rounded-full font-semibold transition duration-300 transform hover:scale-105">
                    查看演示 <i class="fas fa-eye ml-2"></i>
                </button>
            </div>
        </div>
    </section>

    <script>
        mermaid.initialize({
            startOnLoad: true,
            theme: 'default',
            flowchart: {
                useMaxWidth: false,
                htmlLabels: true,
                curve: 'basis'
            }
        });
        
        // 微交互效果
        document.querySelectorAll('.card-hover').forEach(card => {
            card.addEventListener('mouseenter', function() {
                this.style.boxShadow = '0 15px 30px rgba(0,0,0,0.15)';
            });
            card.addEventListener('mouseleave', function() {
                this.style.boxShadow = '';
            });
        });
    </script>
</body>
</html>
```